diff --git a/package.json b/package.json
index 4277f335..f1de885f 100644
--- a/package.json
+++ b/package.json
@@ -248,7 +248,7 @@
     "electron-packager": "^15.0.0",
     "eslint": "^7.12.1",
     "eslint-config-prettier": "^6.15.0",
-    "eslint-config-standard": "^14.1.1",
+    "eslint-config-standard": "^16.0.2",
     "eslint-friendly-formatter": "^4.0.1",
     "eslint-loader": "^4.0.2",
     "eslint-plugin-html": "^6.0.3",
diff --git a/spec/config/i18n.spec.ts b/spec/config/i18n.spec.ts
index 908724cf..f926f6f9 100644
--- a/spec/config/i18n.spec.ts
+++ b/spec/config/i18n.spec.ts
@@ -6,7 +6,7 @@ const locales = ['de', 'fr', 'it', 'ja', 'ko', 'pl', 'zh_cn']
 
 describe('i18n', () => {
   describe('should not define duplicate keys', () => {
-    locales.map(locale => {
+    locales.forEach(locale => {
       it(`${locale} translation`, () => {
         const targetJson = JSON.parse(
           fs.readFileSync(path.resolve(__dirname, `../../src/config/locales/${locale}/translation.json`), 'utf8')
diff --git a/src/main/index.ts b/src/main/index.ts
index f5981767..b1cdf5a9 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -82,7 +82,7 @@ if (process.env.NODE_ENV !== 'development') {
 
 let mainWindow: BrowserWindow | null
 let tray: Tray | null
-const winURL = process.env.NODE_ENV === 'development' ? `http://localhost:9080` : `file://${__dirname}/index.html`
+const winURL = process.env.NODE_ENV === 'development' ? `http://localhost:9080` : path.join('file://', __dirname, '/index.html')
 
 // MAS build is not allowed requestSingleInstanceLock.
 // ref: https://github.com/h3poteto/whalebird-desktop/issues/1030
@@ -113,7 +113,7 @@ const appId = pkg.build.appId
 const splashURL =
   process.env.NODE_ENV === 'development'
     ? path.resolve(__dirname, '../../static/splash-screen.html')
-    : `${__dirname}/static/splash-screen.html`
+    : path.join(__dirname, '/static/splash-screen.html')
 
 // https://github.com/louischatriot/nedb/issues/459
 const userData = app.getPath('userData')
@@ -586,7 +586,7 @@ ipcMain.on('start-all-user-streamings', (event: IpcMainEvent, accounts: Array<Lo
 })
 
 ipcMain.on('stop-all-user-streamings', () => {
-  Object.keys(userStreamings).map((key: string) => {
+  Object.keys(userStreamings).forEach((key: string) => {
     if (userStreamings[key]) {
       userStreamings[key]!.stop()
       userStreamings[key] = null
@@ -599,7 +599,7 @@ ipcMain.on('stop-all-user-streamings', () => {
  * @param id specified user id in nedb.
  */
 const stopUserStreaming = (id: string) => {
-  Object.keys(userStreamings).map((key: string) => {
+  Object.keys(userStreamings).forEach((key: string) => {
     if (key === id && userStreamings[id]) {
       userStreamings[id]!.stop()
       userStreamings[id] = null
diff --git a/src/renderer/store/TimelineSpace/Modals/NewToot.ts b/src/renderer/store/TimelineSpace/Modals/NewToot.ts
index cc2b5ec3..a7356a09 100644
--- a/src/renderer/store/TimelineSpace/Modals/NewToot.ts
+++ b/src/renderer/store/TimelineSpace/Modals/NewToot.ts
@@ -234,7 +234,7 @@ const actions: ActionTree<NewTootState, RootState> = {
     }
 
     if (params.polls.length > 1) {
-      params.polls.map(poll => {
+      params.polls.forEach(poll => {
         if (poll.length < 1) {
           throw new NewTootPollInvalid()
         }
@@ -297,7 +297,7 @@ const actions: ActionTree<NewTootState, RootState> = {
     commit(MUTATION_TYPES.UPDATE_INITIAL_SPOILER, message.spoiler_text)
     commit(MUTATION_TYPES.CHANGE_MODAL, true)
     let value: number = Visibility.Public.value
-    Object.keys(Visibility).map(key => {
+    Object.keys(Visibility).forEach(key => {
       const target = Visibility[key]
       if (target.key === message.visibility) {
         value = target.value
diff --git a/src/renderer/utils/validator.js b/src/renderer/utils/validator.js
index 3b250f24..1d4e954a 100644
--- a/src/renderer/utils/validator.js
+++ b/src/renderer/utils/validator.js
@@ -1 +1 @@
-export const domainFormat = new RegExp(/^[a-zA-Z0-9][a-zA-Z0-9-.]{0,61}[a-zA-Z0-9]\.[a-zA-Z]{2,}$/)
+export const domainFormat = /^[a-zA-Z0-9][a-zA-Z0-9-.]{0,61}[a-zA-Z0-9]\.[a-zA-Z]{2,}$/
diff --git a/yarn.lock b/yarn.lock
index a14c6624..bd11b246 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4676,10 +4676,10 @@ eslint-config-prettier@^6.15.0:
   dependencies:
     get-stdin "^6.0.0"
 
-eslint-config-standard@^14.1.1:
-  version "14.1.1"
-  resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-14.1.1.tgz#830a8e44e7aef7de67464979ad06b406026c56ea"
-  integrity sha512-Z9B+VR+JIXRxz21udPTL9HpFMyoMUEeX1G251EQ6e05WD9aPVtVBn09XUmZ259wCMlCDmYDSZG62Hhm+ZTJcUg==
+eslint-config-standard@^16.0.2:
+  version "16.0.2"
+  resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-16.0.2.tgz#71e91727ac7a203782d0a5ca4d1c462d14e234f6"
+  integrity sha512-fx3f1rJDsl9bY7qzyX8SAtP8GBSk6MfXFaTfaGgk12aAYW4gJSyRm7dM790L6cbXv63fvjY4XeSzXnb4WM+SKw==
 
 eslint-friendly-formatter@^4.0.1:
   version "4.0.1"